EP 1242501 B1 20030903 - POLYETHER CARBONATES
Title (en)
POLYETHER CARBONATES
Title (de)
POLYETHERCARBONATE
Title (fr)
POLYETHER-CARBONATES
Publication
Application
Priority
- DE 19960776 A 19991216
- EP 0012195 W 20001205
Abstract (en)
[origin: WO0144346A1] The invention relates to novel branched polyether carbonates, which are produced with the alpha-halocarboxylic esters of polyols as branching agent, whereby the branching agent is incorporated in the polycarbonate by means of ether bridges.
IPC 1-7
IPC 8 full level
C08J 5/00 (2006.01); C08G 63/66 (2006.01); C08G 64/16 (2006.01)
CPC (source: EP US)
C08G 64/1616 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 0144346 A1 20010621; AT E248876 T1 20030915; AU 2004601 A 20010625; CN 1411481 A 20030416; DE 19960776 A1 20010621; DE 50003590 D1 20031009; EP 1242501 A1 20020925; EP 1242501 B1 20030903; ES 2206336 T3 20040516; JP 2003517069 A 20030520; US 2003009003 A1 20030109
DOCDB simple family (application)
EP 0012195 W 20001205; AT 00983218 T 20001205; AU 2004601 A 20001205; CN 00817284 A 20001205; DE 19960776 A 19991216; DE 50003590 T 20001205; EP 00983218 A 20001205; ES 00983218 T 20001205; JP 2001544829 A 20001205; US 14994702 A 20020612